Cleo is seeking a Lead Cloud Security Engineer to design, implement, and continuously improve security controls across our cloud infrastructure and SaaS environments. This role is responsible for strengthening Cleo's AWS security posture, embedding secure-by-default cloud guardrails, and partnering closely with Platform and Engineering teams to reduce infrastructure risk without slowing innovation. The ideal candidate is hands-on, technically deep in AWS, and experienced in building scalable cloud security capabilities in a high-growth SaaS environment. What You Will Be Doing Cloud Security Architecture - Design and implement secure cloud architecture patterns - Establish guardrails for AWS accounts and services - Strengthen multi-account strategy and segmentation - Improve IAM design, permission boundaries, and least-privilege models - Review major infrastructure changes for security impact Cloud Detection and Visibility - Implement and tune cloud-native detection capabilities - Integrate AWS security services into centralized monitoring - Identify misconfigurations and excessive permissions - Improve signal-to-noise ratio in cloud alerts Infrastructure as Code Security - Embed security controls into Terraform or other IaC workflows - Enforce policy-as-code guardrails - Ensure IaC scanning is integrated into CI/CD pipelines - Reduce configuration drift across environments Vulnerability and Configuration Management - Oversee cloud misconfiguration detection and remediation - Track infrastructure vulnerability exposure - Reduce critical vulnerability exposure window - Partner with Platform teams to automate remediation Data Protection and Encryption - Ensure proper encryption standards across storage and databases - Manage KMS usage and key lifecycle best practices - Strengthen logging and monitoring coverage Incident Response Support - Lead cloud-focused investigations during security incidents - Improve forensic readiness in AWS - Harden logging and evidence retention practices Automation and Continuous Improvement - Automate guardrails and enforcement mechanisms - Improve developer experience with secure cloud defaults - Reduce manual cloud security reviews - Optimizing tooling cost and effectiveness Metrics and Reporting - Define KPIs for cloud security posture - Report on misconfiguration trends and exposure windows - Provide executive-level reporting on infrastructure risk - Support audit and compliance evidence collection Your Qualifications Required - 7+ years of experience in cloud security, cloud engineering, or infrastructure security - Deep expertise in AWS architecture and services - Strong understanding of IAM design and least-privilege principles - Experience with Infrastructure as Code and CI/CD integration - Experience implementing cloud-native detection and monitoring - Ability to translate infrastructure risk into business impact Preferred - Experience in mid-market or high-growth SaaS environments - Experience supporting SOC 2 or similar audits - Familiarity with policy-as-code frameworks - Experience building multi-account AWS environments - Relevant certifications such as AWS Security Specialty, CISSP, or equivalent A few things we have to offer: - $130,000 to $150,000 base salary + bonus opportunity - Great Healthcare + Dental + Vision - Flexible PTO - Culture of support, encouraging Life-Work balance - 401k match - FSA and HSA options - Employee Assistance Program - Paid Parental Leave - Representing a company with 4,000+ clients and a 99% retention rate - Accelerated title and salary growth potential - A fun and energetic work environment that makes you excited to go to work every day